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path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 4f75ae854b3d..cf5cebc358b8 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -959,6 +959,9 @@ static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
struct bnx2x *bp = netdev_priv(dev);
/* Use the ethtool_dump "flag" field as the dump preset index */
+ if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
+ return -EINVAL;
+
bp->dump_preset_idx = val->flag;
return 0;
}